Disertation

structuring dissertation research it more construct it in more detail etc i have done it already but it needs a lot of work make it more understanding clear re structuring more research bettering it its 20 pages and probably will need 2000 words after restructuring and researching the work
abstract should include what you are doing, how you went about doing it and what conclusions you reached. you can search on the internet what things are to be in the abstract, no need for lengthy research. it is meant to be a concise way of telling the reader what is in the report

introduction
again you have this massive lengthy research thing. that is not an introduction. it is meant to furhter explain what you are doing. if you are going to keep that research put it after your method of literature search.

research
i dont know why they are seperated at all. if you keep it seperated, you need to explain in the introduction why you have seperated it, what was the significance of seperating it in them two time frames, if you cannot then they really should be together.


Add additional headings if necessary to make it easy for the reader to understand what you are trying to show and to breakdown massive blocks of texts.